Quiz about PreCalc PreReq Review Questions

Question 1

Expand: $$a\left(x^2+b\right)$$

Accepted Answer

$$ax^2+ab$$

Answer

$$a^2x+b$$

Answer

$$ax+ab$$

Answer

$$a^2x^2b$$

Question 2

Which of the following inequalities correctly represents: [-2, 1)

Accepted Answer

$$-2\le x<1$$

Answer

$$x\le-2$$

Answer

$$-2\le x\le1$$

Answer

$$-2<x<1$$

Question 3

What is the midpoint of the line segment with endpoints -3 and 2?

Accepted Answer

$$\frac{-1}{2}$$

Answer

$$\frac{5}{2}$$

Answer

$$\frac{-5}{2}$$

Answer

- 1

Question 4

What is the center of the circle: $$\left(x-3\right)^2+\left(y+4\right)^2=2$$

Accepted Answer

(3,-4)

Answer

(-3, 4)

Answer

(-3, -4)

Answer

(-4, 3)

Question 5

Which of the following is the solution to the equation $$x\left(x+1\right)=0$$

Accepted Answer

$$x=0\ or\ x=-1$$

Answer

$$Only\ x=0$$

Answer

$$Only\ x=-1$$

Answer

$$x=0\ or\ x\ =1$$

Question 6

Which equation has a slope of 4 and goes through the point (-2, 3)?

Accepted Answer

$$y-3=4\left(x+2\right)$$

Answer

$$y+3=4\left(x-2\right)$$

Answer

$$y+3=4\left(x+2\right)$$

Answer

$$x-3=4\left(y+2\right)$$

Question 7

What is the slope through (-2, 1) and (1, -4)?

Accepted Answer

$$-\frac{5}{3}$$

Answer

$$-\frac{3}{5}$$

Answer

$$\frac{3}{5}$$

Answer

$$\frac{5}{3}$$

Question 8

Which represents the standard form of: (2 + 3i)(2 - 3i) ?

Accepted Answer

13 + 0i

Answer

13 - 3i

Answer

-5 + 12i

Answer

4 - 9i

Question 9

What is the discriminant of the quadratic equation?

Accepted Answer

$$b^2-4ac$$

Answer

$$\frac{b^2}{4ac}$$

Answer

$$\sqrt[]{-b+2a}$$

Answer

$$\frac{-b\pm\sqrt[]{b^2-4ac}}{2a}$$

Question 10

How many real solutions does the equation have: $$6x^2+7x=3$$

Accepted Answer

2 real

Answer

1 real

Answer

0 real

Answer

3 real

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics